The County of San Diego in collaboration with AutoZone Auto Parts will be holding a free Oil Filter Exchange Event on Saturday, March 7, 2020, from 10:00 AM – 2:00 PM at participating locations listed below. Bring in a used oil filter and receive a new one free of charge! Free offer for oil filter exchange valid only during the event date and time at the following locations: AutoZone | 1081 S Mission Rd, Fallbrook AutoZone | 12421 Woodside Ave,…